Antimatter-catalyzed nuclear pulse propulsion

Antimatter-catalyzed nuclear pulse propulsion, antiproton-catalyzed nuclear pulse propulsion, ACMF: Antiproton-Catalyzed Microfission-Fusion and AIM: Antimatter Influenced Microfission-fusion are variants of nuclear pulse propulsion based upon the injection of antimatter into a mass of nuclear fuel to initiate or enhance a nuclear chain reaction for propulsion especially when the fuel is subcritical. == Description == Typical nuclear pulse propulsion has the downside that the minimal size of the engine is defined by the minimal size of the nuclear bombs used to create thrust, which is a function of the amount of critical mass required to initiate the reaction.

Source: Wikipedia — Antimatter-catalyzed nuclear pulse propulsion (CC BY-SA 4.0)